package com.zhongdone.pattern.structural.facade;

public class Facade {

    private SystemA systemA = new SystemA();

    private SystemB systemB = new SystemB();

    private SystemC systemC = new SystemC();

    /**
     * 对外接口
     */
    public void doA(){
        systemA.doA();
    }

    /**
     * 对外接口
     */
    public void doB(){
        systemB.doB();
    }

    /**
     * 对外接口
     */
    public void doC(){
        systemC.doC();
    }

}
